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Author : George Jr Chappell
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (117 download)
Download or read book Luminescence Emission in a Nanocrystal Doped by a Transition Metal Impurity written by George Jr Chappell and published by . This book was released on 2020 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Miroslav Dramićanin
Publisher : Woodhead Publishing
ISBN 13 : 0081020309
Total Pages : 304 pages
Book Rating : 4.0/5 (81 download)
Download or read book Luminescence Thermometry written by Miroslav Dramićanin and published by Woodhead Publishing. This book was released on 2018-04-21 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Luminescence Thermometry: Methods, Materials, and Applications presents the state-of-the art applications of luminescence thermometry, giving a detailed explanation of luminescence spectroscopic schemes for the read-out of temperature, while also describing the diverse materials that are capable of sensing temperature via luminescence. Chapters cover the fundamentals of temperature, traditional thermometers and their figures of merit, a concise description of optical thermometry methods, luminescence and instrumentation, and an explanation of the ways in which increases in temperature quench luminescence. Additional sections focus on materials utilized for luminescence thermometry and the broad range of applications for luminescence thermometry, including temperature measurement at the nanoscale and the application of multifunctional luminescent materials. Provides an overview of luminescence thermometry applications, including high-temperature, biomedical, nanoscale and multifunctional Delves into luminescence thermometry by materials group, including Rare-earth and transition Metal Ion Doped, Semiconductors, Quantum Dots and Organic materials Gives a concise introduction of the latest methods of temperature measurement, including luminescence spectroscopic schemes and methods of analysis
Author : S. V. Gaponenko
Publisher : Cambridge University Press
ISBN 13 : 0521582415
Total Pages : 263 pages
Book Rating : 4.5/5 (215 download)
Download or read book Optical Properties of Semiconductor Nanocrystals written by S. V. Gaponenko and published by Cambridge University Press. This book was released on 1998-10-28 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines the optical properties of low-dimensional semiconductor structures, a hot research area - for graduate students and researchers.
Author : Dr. S. Rinu Sam
Publisher : CSMFL Publications
ISBN 13 : 8193278410
Total Pages : 166 pages
Book Rating : 4.1/5 (932 download)
Download or read book Nano-Physics: ZnS Nanoparticles written by Dr. S. Rinu Sam and published by CSMFL Publications. This book was released on 2017-10-10 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, the preparation and characterization of materials in the nanometer scale has become challenging in the field of material science. Materials in the micrometer scale mostly exhibit physical properties as same as that of bulk form; however materials in the nanometer scale may exhibit physical properties distinctively different from that of bulk. Semiconducting nanoparticles have attracted widespread attention because of their special optical and electronic properties arising from the quantum confinement of electrons and large surface area. Among the semiconductor materials, Zinc Sulphide (ZnS), shows various luminescence properties such as photoluminescence, electroluminescence and thermoluminescence. Hence, ZnS is a traditional phosphor widely used in flat-panel display, electroluminescence devices, infrared windows, sensors and lasers. When ZnS material is doped with transition or rare earth metal ions, it is possible to modify its physical properties. For doped nanocrstalline semiconductor materials, quantum confinement effects in the energy states also produce unusual optical behaviour. In this book, undoped and some transition metal ions doped ZnS semiconducting nanomaterials were synthesized by microwave-assisted solvothermal method. To prepare the undoped ZnS nanoparticles, zinc acetate and thiourea were used as the precursor materials and ethylene glycol was used as the solvent. The solvothermal method used in this present work is an effective method for preparing metal sulfides under mild conditions, which is a simple, cheaper and convenient method. ZnS materials doped with transition metal ions were also synthesized by the same method. In the present work, ZnS material was doped with manganese, copper, cobalt and indium in four different concentrations. The microwave treated precursor materials, after washing with de-ionised water and acetone and after annealing leads to fine nanocrystalline powder.
Author : Tiwari, Ratnesh
Publisher : IGI Global
ISBN 13 : 1522551719
Total Pages : 525 pages
Book Rating : 4.5/5 (225 download)
Download or read book Emerging Synthesis Techniques for Luminescent Materials written by Tiwari, Ratnesh and published by IGI Global. This book was released on 2018-05-19 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design and study of materials is a pivotal component to new discoveries in the various fields of science and technology. By better understanding the components and structures of materials, researchers can increase their applications across different industries. Emerging Synthesis Techniques for Luminescent Materials is a critical scholarly resource that explores the important field of emerging synthesis techniques of luminescent materials and its practical applications. Featuring coverage on a broad range of topics such as electroluminescence, glow curve analysis, and upconversion, this book is geared towards engineers, academics, researchers, students, professionals, and practitioners seeking current research on photoluminescence and the study of rare earth doped phosphors.
Author : Volkmar Dierolf
Publisher : Woodhead Publishing
ISBN 13 : 008100060X
Total Pages : 472 pages
Book Rating : 4.0/5 (81 download)
Download or read book Rare Earth and Transition Metal Doping of Semiconductor Materials written by Volkmar Dierolf and published by Woodhead Publishing. This book was released on 2016-01-23 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rare Earth and Transition Metal Doping of Semiconductor Material explores traditional semiconductor devices that are based on control of the electron’s electric charge. This book looks at the semiconductor materials used for spintronics applications, in particular focusing on wide band-gap semiconductors doped with transition metals and rare earths. These materials are of particular commercial interest because their spin can be controlled at room temperature, a clear opposition to the most previous research on Gallium Arsenide, which allowed for control of spins at supercold temperatures. Part One of the book explains the theory of magnetism in semiconductors, while Part Two covers the growth of semiconductors for spintronics. Finally, Part Three looks at the characterization and properties of semiconductors for spintronics, with Part Four exploring the devices and the future direction of spintronics. Examines materials which are of commercial interest for producing smaller, faster, and more power-efficient computers and other devices Analyzes the theory behind magnetism in semiconductors and the growth of semiconductors for spintronics Details the properties of semiconductors for spintronics
Author :
Publisher : Allied Publishers
ISBN 13 : 9788177646160
Total Pages : 238 pages
Book Rating : 4.6/5 (461 download)
Download or read book Futuristic Materials written by and published by Allied Publishers. This book was released on with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fiorenzo Vetrone
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book Luminescence Spectroscopy of Er3 Doped Inorganic Nanocrystals written by Fiorenzo Vetrone and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian G. Wybourne
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.3/5 (91 download)
Download or read book Spectroscopic Properties of Rare Earths written by Brian G. Wybourne and published by . This book was released on 1965 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. K. Giri
Publisher : Springer Science & Business Media
ISBN 13 : 3642342167
Total Pages : 588 pages
Book Rating : 4.6/5 (423 download)
Download or read book Advanced Nanomaterials and Nanotechnology written by P. K. Giri and published by Springer Science & Business Media. This book was released on 2013-03-17 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscale science and technology have occupied centre stage globally in modern scientific research and discourses in the early twenty first century. The enabling nature of the technology makes it important in modern electronics, computing, materials, healthcare, energy and the environment. This volume contains selected articles presented (as Invited/Oral/Poster presentations) at the 2nd international conference on advanced materials and nanotechnology (ICANN-2011) held recently at the Indian Institute of Technology Guwahati, during Dec 8-10, 2011. The list of topics covered in this proceedings include: Synthesis and self assembly of nanomaterials Nanoscale characterisation Nanophotonics & Nanoelectronics Nanobiotechnology Nanocomposites F Nanomagnetism Nanomaterials for Energy Computational Nanotechnology Commercialization of Nanotechnology The conference was represented by around 400 participants from several countries including delegates invited from USA, Germany, Japan, UK, Taiwan, Italy, Singapore, India etc.
Author : Witold Łojkowski
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.X/5 (3 download)
Download or read book Doped Nanopowders written by Witold Łojkowski and published by . This book was released on 2007 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of nanopowders, and their applications in industrial and technological innovation, is an important and growing area of interest in the world of nanotechnology. It is widely recognized that the basic properties of nanopowders are strongly influenced by their shape, size, distribution and surface chemistry.
Author : Ru-Shi Liu
Publisher : Springer
ISBN 13 : 9811015902
Total Pages : 522 pages
Book Rating : 4.8/5 (11 download)
Download or read book Phosphors, Up Conversion Nano Particles, Quantum Dots and Their Applications written by Ru-Shi Liu and published by Springer. This book was released on 2016-09-01 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces readers to fundamental information on phosphor and quantum dots. It comprehensively reviews the latest research advances in and applications of fluoride phosphors, oxide phosphors, nitridosilicate phosphors and various quantum dot materials. Phosphors and phosphor-based quantum dot materials have recently gained considerable scientific interest due to their wide range of applications in lighting, displays, medical and telecommunication technologies. This work will be of great interest to researchers and graduate students in materials sciences and chemistry who wish to learn more about the principles, synthesis and analysis of phosphors and quantum dot materials.
Author : Sahar Zinatloo-Ajabshir
Publisher : Elsevier
ISBN 13 : 0323899587
Total Pages : 413 pages
Book Rating : 4.3/5 (238 download)
Download or read book Advanced Rare Earth-Based Ceramic Nanomaterials written by Sahar Zinatloo-Ajabshir and published by Elsevier. This book was released on 2022-01-15 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Rare Earth-Based Ceramic Nanomaterials focuses on recent advances related to preparation methods and applications of advanced rare earth-based ceramic nanomaterials. Different approaches for synthesizing rare earth-based ceramic nanomaterials are discussed, along with their advantages and disadvantages for applications in various fields. Sections cover rare earth-based ceramic nanomaterials like ceria and rare earth oxides (R2O3), rare earth vanadates, rare earth titanates, rare earth zirconates, rare earth stannates, rare earth-based tungstates, rare earth-based manganites, ferrites, cobaltites, nickelates, rare earth doped semiconductor nanomaterials, rare earth molybdates, rare earth-based nanocomposites, rare earth-based compounds for solar cells, and laser nanomaterials based on rare-earth compounds. Reviews the chemistry and processing of rare earth doped ceramic nanomaterials and their characteristics and applications Covers a broad range of materials, including ceria and rare earth oxides (R2O3), vanadates, titanates, zirconates, stannates, tungstates, manganites, ferrites, cobaltites, nickelates, rare earth doped semiconductor nanomaterials, rare earth molybdates, rare earth-based nanocomposites, rare earth-based compounds for solar cells, and laser nanomaterials based on rare-earth compounds Includes different approaches to synthesizing each family of rare earth-based ceramic nanomaterials, along with their advantages and disadvantages Provides green chemistry-based methods for the preparation of advanced rare earth-based ceramic nanomaterials
Author : P O'Brien
Publisher : Royal Society of Chemistry
ISBN 13 : 1849735824
Total Pages : 296 pages
Book Rating : 4.8/5 (497 download)
Download or read book Nanoscience written by P O'Brien and published by Royal Society of Chemistry. This book was released on 2013-12-02 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume will present critical and comphrehensive reviews examining the latest research and developments in nanoscience in accessible articles. Quantum dot synthesis, soft lithography and graphene will feature in the debut volume, along with perspectives on research in China and India.
Author : Heidi Danielle Nelson
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (17 download)
Download or read book Defect-related Luminescence in Nanocrystals written by Heidi Danielle Nelson and published by . This book was released on 2018 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dopants and defects play an important role in the luminescence of semiconductors, from classic bulk phosphors to more recently developed colloidal nanocrystals. This thesis describes several studies on the photophysics of defect-related luminescence in semiconductor nanocrystals, with a particular focus on copper and silver charge-transfer luminescence. The combination of density functional theory (DFT) and spectroscopy can provide deeper insight into the photophysics of these materials and help resolve unanswered questions about their luminescence. In chapter 2, DFT is used to investigate various aspects of the electronic structure and photoluminescence mechanism of copper-doped CdSe nanocrystals, including the copper oxidation state, the origin of the broad luminescence line width, and the excited-state singlet−triplet splitting. These calculations support and expand upon previous experimental results. Chapter 3 extends these experimental and computational studies to silver-doped CdSe nanocrystals. These materials have very similar photoluminescence properties to their copper-doped analogues, but they have significant electronic-structure differences due to inverted bonding between the silver dopant and its neighboring anions. Chapter 4 addresses the similarities between the photoluminescence of copper-doped and copper indium sulfide nanocrystals. DFT calculations demonstrate a significant tendency for the hole to localize in the valence band of copper indium sulfide, which has significant copper character and resembles the copper impurity level in doped nanocrystals. Other dopants and defects can also influence nanocrystal luminescence in different ways. Chapter 5 addresses the effects of slow electron trapping and detrapping on the intensity and dynamics of delayed luminescence in nanocrystals by varying the excitation pulse width. Chapter 6 is an investigation of photoinduced magnetization in manganese-doped CdSe nanocrystals; the formation of excitonic magnetic polarons is studied by continuous-wave and time-resolved magneto-optical spectroscopies. Together, these studies demonstrate a variety of ways that dopants and defects can affect the photoluminescence of semiconductor nanocrystals.
Author : Adrian Kitai
Publisher : John Wiley & Sons
ISBN 13 : 9780470985670
Total Pages : 292 pages
Book Rating : 4.9/5 (856 download)
Download or read book Luminescent Materials and Applications written by Adrian Kitai and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Luminescence, for example, as fluorescence, bioluminescence, and phosphorescence, can result from chemical changes, electrical energy, subatomic motions, reactions in crystals, or stimulation of an atomic system. This subject continues to have a major technological role for humankind in the form of applications such as organic and inorganic light emitters for flat panel and flexible displays such as plasma displays, LCD displays, and OLED displays. Luminescent Materials and Applications describes a wide range of materials and applications that are of current interest including organic light emitting materials and devices, inorganic light emitting diode materials and devices, down-conversion materials, nanomaterials, and powder and thin-film electroluminescent phosphor materials and devices. In addition, both the physics and the materials aspects of the field of solid-state luminescence are presented. Thus, the book may be used as a reference to gain an understanding of various types and mechanisms of luminescence and of the implementation of luminescence into practical devices. The book is aimed at postgraduate students (physicists, electrical engineers, chemical engineers, materials scientists, and engineers) and researchers in industry, for example, at lighting and display companies and academia involved in studying conduction in solids and electronic materials. It will also provide an excellent starting point for all scientists interested in luminescent materials. Finally it is hoped that this book will not only educate, but also stimulate further progress in this rapidly evolving field.
Author : S.V. Moharil
Publisher : CRC Press
ISBN 13 : 1000966267
Total Pages : 325 pages
Book Rating : 4.0/5 (9 download)
Download or read book Luminescent Metal Oxides written by S.V. Moharil and published by CRC Press. This book was released on 2023-11-16 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: The focus of the book is to explore metal oxides exhibiting a high optical transmittance as applicable in the field of light-emitting diodes (LEDs), photo-catalysts, and so forth. It provides exposure to structural and chemical parameters of optically active metal oxides as a phosphor, innovative and currently demanded synthesis methods, and their proper characterization. It further covers applications such as optical thermometry, scintillation, anti-counterfeit, solid-state lighting and spectral modifier for solar cells, VUV application, and long persistent light emission phenomenon. Features: Reviews selection of structurally and functionally active materials for effective synthesis of metal oxides Exclusively covers large number of areas of applications of the luminescent metal oxides Cover various aspects of metal oxide research including synthesis and applications Includes chapters on synthesis-related predictions using machine learning Discusses radiation dosimetry and bio-imaging aspects This book is aimed at researchers and graduate students in materials science and phosphor technology.
